UPDATE (6:55 p.m.)
Tucson Fire confirmed the fire originated from a homeless encampment. No structures were involved, and no injuries have been reported.
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The Tucson Fire Department confirmed they are responding to an incident being described as a "brush fire" at Fairview and Halron just south of Grant near I-10.
TFD said two engines are responding to the incident.
KGUN9 will update as more information becomes available.
